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发明名称
Hearing aid and heat deflector for hair driers
摘要
申请公布号
US2449460(A)
申请公布日期
1948.09.14
申请号
US19460715658
申请日期
1946.12.12
申请人
KATHARINE EDWARDS GERALDINE;HENRY ZACHRICH MARTIN
发明人
EDWARDS GERALDINE KATHARINE;ZACHRICH MARTIN HENRY
分类号
A45D20/42
主分类号
A45D20/42
代理机构
代理人
主权项
地址
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